Home / 38,517.05-57,792.04-18,516.93

Finding the Fourth Proportional to 38,517.05, 57,792.04 and 18,516.93

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Solution

The fourth proportional to 38,517.05, 57,792.04 and 18,516.93 is: 27,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,517.05 : 57,792.04 = 18,516.93 : x
  2. Step 2: Convert to fraction form
    38,517.05/57,792.04 = 18,516.93/x
  3. Step 3: Cross multiply
    38,517.05x = 57,792.04 × 18,516.93
  4. Step 4: Simplify right side
    38,517.05x = 1,070,131,112.94
  5. Step 5: Solve for x
    x = 1,070,131,112.94/38,517.05
  6. Step 6: Final answer
    x = 27,783.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.